Analysis

  • max time kernel
    155s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    22/02/2022, 20:10

General

  • Target

    0cff7e9d13a3216254aba643143dd218ca25ec2a503be1516f97a10fed1a151c.exe

  • Size

    521KB

  • MD5

    ef24e7961baea4afe533ee46558cad17

  • SHA1

    31487a39d23d47507f2baf1b25da5bf011689eb8

  • SHA256

    0cff7e9d13a3216254aba643143dd218ca25ec2a503be1516f97a10fed1a151c

  • SHA512

    113ae4f5883b29912de2b7c704d4fd9d0971af12ba4a569842fb8f347c32b00f59299442f5846b1053148dd6ac4306957a4f259a8c036530c641940020da62e1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    987221060dg

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 4 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0cff7e9d13a3216254aba643143dd218ca25ec2a503be1516f97a10fed1a151c.exe
    "C:\Users\Admin\AppData\Local\Temp\0cff7e9d13a3216254aba643143dd218ca25ec2a503be1516f97a10fed1a151c.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:2032
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
      2⤵
        PID:1476

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1476-62-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1476-65-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1524-54-0x0000000075D51000-0x0000000075D53000-memory.dmp

            Filesize

            8KB

          • memory/1524-56-0x0000000000A80000-0x0000000000A81000-memory.dmp

            Filesize

            4KB

          • memory/1524-55-0x0000000074C31000-0x0000000074C32000-memory.dmp

            Filesize

            4KB

          • memory/1524-57-0x0000000074C32000-0x0000000074C34000-memory.dmp

            Filesize

            8KB

          • memory/1524-60-0x0000000000A85000-0x0000000000A96000-memory.dmp

            Filesize

            68KB

          • memory/1524-64-0x0000000000A96000-0x0000000000A97000-memory.dmp

            Filesize

            4KB

          • memory/2032-58-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/2032-61-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB